Accurate Adaptation: 4-pin trailer hitch wiring compatible with Subaru Ascent 2019-2023, Forester 2009-2024, Crosstrek 2016-2024, Outback 2010-2024, XV Crosstrek 2013-2015; Replacement for 56040 trailer wiring harness
Stable Performance: The trailer towing wire harness unlocks diverse towing functions for your vehicle, enabling reliable trailer light transmission. It keeps the trailer's lights (tail, brake, turn) synchronized the vehicle; plus, its tin-plated copper terminals enhance conductivity, allowing the trailer light to respond immediately with the operation of the vehicle
With Installation Guide: the trailer wiring harness comes with detailed installation instructions, which explain the installation points with pictures and texts. It strictly meets OEM standards, and can be installed directly for direct installation—no wire cutting or splicing needed. Quick installation, easy to restore stable trailer lighting
Dust Cover: This 4-pin trailer light harness is equipped with rubber dust cover for tightly sealing the trailer wiring connector. It effectively blocks dust, sludge and rain, keeps the connector away from corrosion and short circuit problems, and further prolongs the overall service life of the wiring harness